CN104660540A - 一种lte系统的同步跟踪方法 - Google Patents
一种lte系统的同步跟踪方法 Download PDFInfo
- Publication number
- CN104660540A CN104660540A CN201310596505.4A CN201310596505A CN104660540A CN 104660540 A CN104660540 A CN 104660540A CN 201310596505 A CN201310596505 A CN 201310596505A CN 104660540 A CN104660540 A CN 104660540A
- Authority
- CN
- China
- Prior art keywords
- channel
- synchronized
- time domain
- lte system
- response
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000011946 reduction process Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012163 sequencing technique Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 abstract 1
- 230000001131 transforming effect Effects 0.000 abstract 1
- 239000013256 coordination polymer Substances 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000021615 conjugation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
Description
信道带宽 | 1.4MHz | 3MHz | 5MHz | 10MHz | 15MHz | 20MHz |
N | 128 | 256 | 512 | 1024 | 1536 | 2048 |
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310596505.4A CN104660540B (zh) | 2013-11-21 | 2013-11-21 | 一种lte系统的同步跟踪方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310596505.4A CN104660540B (zh) | 2013-11-21 | 2013-11-21 | 一种lte系统的同步跟踪方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104660540A true CN104660540A (zh) | 2015-05-27 |
CN104660540B CN104660540B (zh) | 2018-11-16 |
Family
ID=53251252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310596505.4A Active CN104660540B (zh) | 2013-11-21 | 2013-11-21 | 一种lte系统的同步跟踪方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104660540B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105530081A (zh) * | 2015-09-01 | 2016-04-27 | 广州慧睿思通信息科技有限公司 | 一种lte系统中pss定时调整的方法 |
CN111010359A (zh) * | 2019-12-19 | 2020-04-14 | 紫光展锐(重庆)科技有限公司 | 基于pbch的定时和频偏估计方法、装置及终端设备 |
CN116708113A (zh) * | 2023-08-07 | 2023-09-05 | 北京智芯微电子科技有限公司 | 频偏估计方法、装置、设备、芯片及可读存储介质 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1773979A (zh) * | 2004-11-09 | 2006-05-17 | 华为技术有限公司 | 正交频分复用精确时间同步、帧同步以及同步跟踪的方法 |
CN101808053A (zh) * | 2010-02-26 | 2010-08-18 | 大唐联诚信息系统技术有限公司 | 基于ofdm的信道估计方法及装置 |
CN101938435A (zh) * | 2009-06-30 | 2011-01-05 | 中兴通讯股份有限公司 | 一种正交频分复用系统的时偏估计装置及方法 |
CN102790737A (zh) * | 2011-05-17 | 2012-11-21 | 中兴通讯股份有限公司 | 一种系统的同步方法及装置 |
US20130156138A1 (en) * | 2010-11-30 | 2013-06-20 | Montage Technology (Shanghai) Co., Ltd. | Method and system for channel estimation |
KR20130079417A (ko) * | 2010-05-03 | 2013-07-10 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | Iq 불균형을 완화하기 위한 캐리어간 대역폭 제어 |
-
2013
- 2013-11-21 CN CN201310596505.4A patent/CN104660540B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1773979A (zh) * | 2004-11-09 | 2006-05-17 | 华为技术有限公司 | 正交频分复用精确时间同步、帧同步以及同步跟踪的方法 |
CN101938435A (zh) * | 2009-06-30 | 2011-01-05 | 中兴通讯股份有限公司 | 一种正交频分复用系统的时偏估计装置及方法 |
CN101808053A (zh) * | 2010-02-26 | 2010-08-18 | 大唐联诚信息系统技术有限公司 | 基于ofdm的信道估计方法及装置 |
KR20130079417A (ko) * | 2010-05-03 | 2013-07-10 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | Iq 불균형을 완화하기 위한 캐리어간 대역폭 제어 |
US20130156138A1 (en) * | 2010-11-30 | 2013-06-20 | Montage Technology (Shanghai) Co., Ltd. | Method and system for channel estimation |
CN102790737A (zh) * | 2011-05-17 | 2012-11-21 | 中兴通讯股份有限公司 | 一种系统的同步方法及装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105530081A (zh) * | 2015-09-01 | 2016-04-27 | 广州慧睿思通信息科技有限公司 | 一种lte系统中pss定时调整的方法 |
CN105530081B (zh) * | 2015-09-01 | 2018-08-10 | 广州慧睿思通信息科技有限公司 | 一种lte系统中pss定时调整的方法 |
CN111010359A (zh) * | 2019-12-19 | 2020-04-14 | 紫光展锐(重庆)科技有限公司 | 基于pbch的定时和频偏估计方法、装置及终端设备 |
CN111010359B (zh) * | 2019-12-19 | 2022-06-03 | 紫光展锐(重庆)科技有限公司 | 基于pbch的定时和频偏估计方法、装置及终端设备 |
CN116708113A (zh) * | 2023-08-07 | 2023-09-05 | 北京智芯微电子科技有限公司 | 频偏估计方法、装置、设备、芯片及可读存储介质 |
CN116708113B (zh) * | 2023-08-07 | 2023-12-12 | 北京智芯微电子科技有限公司 | 频偏估计方法、装置、设备、芯片及可读存储介质 |
Also Published As
Publication number | Publication date |
---|---|
CN104660540B (zh) | 2018-11-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102694763B (zh) | 一种用于td-lte系统整数倍频偏估计的方法 | |
CN101425999B (zh) | 正交频分复用接收机的载频偏差同步的方法及装置 | |
CN102223696B (zh) | 一种lte系统中小区搜索方法 | |
CN100589468C (zh) | 一种对ofdm多载波信号时频调制解调的方法和装置 | |
US8938015B2 (en) | Orthogonal frequency division multiplex (OFDM) demodulator with improved cyclic ambiguity resolution | |
KR101505091B1 (ko) | 직교주파수분할 방식 기반의 무선통신 시스템에서 초기 동기화를 위한 장치 및 방법 | |
KR101485785B1 (ko) | 무선 통신 시스템에서 주파수 추정 방법 및 장치 | |
EP2612478A1 (en) | Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction | |
EP1856868A2 (en) | Symbol timing corrections in a multi carrier system by using the channel estimation | |
CN102664859A (zh) | 多频带ofdm超宽带接收机同步与信道估计方案 | |
CN103532899A (zh) | 时域ofdm同步符号生成及解调方法、数据帧传输方法 | |
CN105024791A (zh) | 物理帧中前导符号的生成方法 | |
CN105007146A (zh) | 物理帧中前导符号的生成方法 | |
CN102469060A (zh) | 一种ofdm系统同步估计方法及装置 | |
CN103873397A (zh) | 一种新的联合时域和频域正交频分复用接收信道估计方法 | |
CN102461102A (zh) | Lte通信网络中根据pss信号的信道估计过程及其接收器 | |
CN102868660B (zh) | 一种基于宽带无线通信系统的下行传输同步方法 | |
CN101562595B (zh) | 频率偏差和符号定时偏差联合估计方法和装置 | |
CN107294678B (zh) | 用于信道估计的方法和通信设备 | |
CN106230758B (zh) | 一种lte-a系统整数倍频偏估计方法 | |
CN104660540A (zh) | 一种lte系统的同步跟踪方法 | |
WO2012171407A1 (zh) | 一种确定时间同步位置的方法及设备 | |
CN103346985B (zh) | 一种用于td-lte系统中时频参数快速估计的方法 | |
CN101674280B (zh) | 检测ofdm符号时偏和频偏的方法 | |
CN105007095A (zh) | 一种小区初搜过程中整数倍频偏估计方法及装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200601 Address after: 8-07, building 6, ronghuiyuan, airport economic core area, Shunyi District, Beijing Patentee after: Xin Xin finance leasing (Beijing) Co.,Ltd. Address before: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201127 Address after: Room 2502, COFCO Plaza, 990 Nanma Road, Nankai District, Tianjin Patentee after: Xin Xin finance leasing (Tianjin) Co.,Ltd. Address before: 8-07, building 6, ronghuiyuan, airport economic core area, Shunyi District, Beijing Patentee before: Xin Xin finance leasing (Beijing) Co.,Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150527 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Tianjin) Co.,Ltd. Contract record no.: X2021110000055 Denomination of invention: A synchronous tracking method for LTE system Granted publication date: 20181116 License type: Exclusive License Record date: 20211227 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230714 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: Room 2502, COFCO Plaza, 990 Nanma Road, Nankai District, Tianjin 300100 Patentee before: Xin Xin finance leasing (Tianjin) Co.,Ltd. |